/// <summary>
/// Show the folder browser dialog.
/// </summary>
/// <param name="owner">Any object that implements IWin32Window that represents the top-level window that will own the modal dialog box.</param>
/// <returns>DialogResult.OK if the user clicks OK in the dialog box; otherwise, DialogResult.Cancel.</returns>
public DialogResult ShowDialog(IWin32Window owner)
{
string displayName = new string('\0', NativeMethods.MAX_PATH);
NativeMethods.BrowseCallBackProc callback = new NativeMethods.BrowseCallBackProc(this.BrowseCallBackProc);
NativeMethods.BROWSEINFO bi = new NativeMethods.BROWSEINFO();
IntPtr returnedPidl = IntPtr.Zero;
try
{
bi.hwndOwner = owner.Handle;
bi.pidlRoot = IntPtr.Zero;
bi.pszDisplayName = displayName;
bi.lpszTitle = this.description;
bi.ulFlags = (int)NativeMethods.BrowseInfoFlags.BIF_EDITBOX | (int)NativeMethods.BrowseInfoFlags.BIF_NEWDIALOGSTYLE | (int)NativeMethods.BrowseInfoFlags.BIF_NONEWFOLDERBUTTON;
bi.lpfn = callback;
bi.lParam = IntPtr.Zero;
bi.iImage = 0;
returnedPidl = NativeMethods.SHBrowseForFolder(ref bi);
if (returnedPidl != IntPtr.Zero)
{
StringBuilder tempSelectedPath = new StringBuilder(NativeMethods.MAX_PATH);
if (NativeMethods.SHGetPathFromIDList(returnedPidl, tempSelectedPath))
{
this.SelectedPath = tempSelectedPath.ToString();
return(DialogResult.OK);
}
}
return(DialogResult.Cancel);
}
finally
{
if (returnedPidl != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(returnedPidl);
}
}
}
/// <summary>
/// Show the folder browser dialog.
/// </summary>
/// <param name="owner">Any object that implements IWin32Window that represents the top-level window that will own the modal dialog box.</param>
/// <returns>DialogResult.OK if the user clicks OK in the dialog box; otherwise, DialogResult.Cancel.</returns>
public DialogResult ShowDialog(IWin32Window owner)
{
string displayName = new string('\0', NativeMethods.MAX_PATH);
NativeMethods.BrowseCallBackProc callback = new NativeMethods.BrowseCallBackProc(this.BrowseCallBackProc);
NativeMethods.BROWSEINFO bi = new NativeMethods.BROWSEINFO();
IntPtr returnedPidl = IntPtr.Zero;
try
{
bi.hwndOwner = owner.Handle;
bi.pidlRoot = IntPtr.Zero;
bi.pszDisplayName = displayName;
bi.lpszTitle = this.description;
bi.ulFlags = (int)NativeMethods.BrowseInfoFlags.BIF_EDITBOX | (int)NativeMethods.BrowseInfoFlags.BIF_NEWDIALOGSTYLE | (int)NativeMethods.BrowseInfoFlags.BIF_NONEWFOLDERBUTTON;
bi.lpfn = callback;
bi.lParam = IntPtr.Zero;
bi.iImage = 0;
returnedPidl = NativeMethods.SHBrowseForFolder(ref bi);
if (returnedPidl != IntPtr.Zero)
{
StringBuilder tempSelectedPath = new StringBuilder(NativeMethods.MAX_PATH);
if (NativeMethods.SHGetPathFromIDList(returnedPidl, tempSelectedPath))
{
this.SelectedPath = tempSelectedPath.ToString();
return DialogResult.OK;
}
}
return DialogResult.Cancel;
}
finally
{
if (returnedPidl != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(returnedPidl);
}
}
}